F12/100
CHANNAHON — Water Quality Report 2026
Serving 13,380 people · Illinois
Water Source
Groundwater
County
—
System ID
IL1970200
Violations
24
Contaminant Test Results
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2023 – January 4, 2024Enforcement: Resolving — corrective action underway
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About CHANNAHON
Is CHANNAHON water safe to drink?
CHANNAHON water receives a grade of F (12/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 24 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has CHANNAHON detected?
31 contaminants were tested in CHANNAHON's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does CHANNAHON have any EPA violations?
Yes, CHANNAHON has 24 EPA violation(s) on record, with the most recent in 2023. Violation types include Other, MCL, MR. 16 are health-based violations.
How many people does CHANNAHON serve?
CHANNAHON serves approximately 13,380 people, Illinois. The system provides water to 1 community: Channahon.
What type of water does CHANNAHON provide?
CHANNAHON sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IL1970200.
How does CHANNAHON compare to other utilities in Illinois?
CHANNAHON scores 12/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Illinois state page for a full comparison of water systems.